1 files changed, 1 insertions, 1 deletions

diff --git a/ghc.mk b/ghc.mk
index c9437fbcfc..8918441b83 100644
--- a/ghc.mk
+++ b/ghc.mk
@@ -1235,7 +1235,7 @@ GIT_COMMIT_ID:
 sdist-ghc-prep-tree : VERSION GIT_COMMIT_ID
 
 # Extra packages which shouldn't be in the source distribution: see #8801
-EXTRA_PACKAGES=parallel stm random primitive vector dph
+EXTRA_PACKAGES=parallel random primitive vector dph
 
 .PHONY: sdist-ghc-prep-tree
 sdist-ghc-prep-tree :